1 files changed, 82 insertions, 0 deletions
diff --git a/gr-blocks/lib/and_const_impl.cc b/gr-blocks/lib/and_const_impl.cc
new file mode 100644
index 0000000000..d319f0c25e
--- /dev/null
+++ b/gr-blocks/lib/and_const_impl.cc
@@ -0,0 +1,82 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2012,2018 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <and_const_impl.h>
+#include <gnuradio/io_signature.h>
+
+namespace gr {
+  namespace blocks {
+
+    template <class T>
+    typename and_const<T>::sptr and_const<T>::make(T k)
+    {
+      return gnuradio::get_initial_sptr(new and_const_impl<T> (k));
+    }
+
+    template <class T>
+    and_const_impl<T> ::and_const_impl (T k)
+      : sync_block ("and_const",
+		       io_signature::make (1, 1, sizeof (T)),
+		       io_signature::make (1, 1, sizeof (T))),
+      d_k(k)
+    {
+    }
+
+    template <class T>
+    int
+    and_const_impl<T> ::work(int noutput_items,
+		      gr_vector_const_void_star &input_items,
+		      gr_vector_void_star &output_items)
+    {
+      T *iptr = (T *) input_items[0];
+      T *optr = (T *) output_items[0];
+
+      int size = noutput_items;
+
+      while (size >= 8){
+	*optr++ = *iptr++ & d_k;
+	*optr++ = *iptr++ & d_k;
+	*optr++ = *iptr++ & d_k;
+	*optr++ = *iptr++ & d_k;
+	*optr++ = *iptr++ & d_k;
+	*optr++ = *iptr++ & d_k;
+	*optr++ = *iptr++ & d_k;
+	*optr++ = *iptr++ & d_k;
+	size -= 8;
+      }
+
+      while (size-- > 0)
+	*optr++ = *iptr++ & d_k;
+
+      return noutput_items;
+    }
+
+template class and_const<std::uint8_t>;
+template class and_const<std::int16_t>;
+template class and_const<std::int32_t>;
+  } /* namespace blocks */
+} /* namespace gr */